    *{
        padding: 0;
        margin: 0;
        list-style: none;
    }

    #box{
        width: 1366px;
        height: auto;
    }

    #The\ second\ floor{
        width: 1366px;
        height:30px;
        background: #878dca;
    }
    #The\ second\ floor  .search{
        margin-right: 100px;
        float: right;
    }
    .search button{
        margin-left: 40px;
    }
    #The\ second\ floor p{
        line-height: 30px;
        float: left;

    }


    #row th{
        text-align: center;

    }

    #row td{
        text-align: center;

    }

    #footer{
        margin-left: 500px;
    }

    #allelection{
        margin-left:10px;
    }


    #Cover{

        width: 100%;
        height: 100%;
        position: fixed;
        top: 0;
        left: 0;
        background: rgba(0,0,0,0.3);
        z-index:10;
        display: none;
    }

    #Cover .elasticrame{
        width: 300px;
        height: 300px;
        position: absolute;
        top: 50%;
        left: 50%;
        margin-left: -150px;
        margin-top: -200px;
        background: white;
        border-radius: 30px;
        border: 2px solid royalblue;
        text-align: center;
    }

    #Cover .delete{
        position: absolute;
        top: 10px;
        right: 10px;
    }

    #Cover .Underline{
         margin-top: 30px;
         width:300px;
         border-bottom:1px solid #878dca;
     }

    #Cover li{
        margin-top: 10px;
        font-family: 微软雅黑;

    }


    #Cover2{

         width: 100%;
         height: 100%;
         position: fixed;
         top: 0;
         left: 0;
         background: rgba(0,0,0,0.3);
         z-index:10;
         display: none;
     }
    #Cover2 .elasticrame{
        width: 300px;
        height: 400px;
        position: absolute;
        top: 50%;
        left: 50%;
        margin-left: -150px;
        margin-top: -200px;
        background: white;
        border-radius: 30px;
        border: 2px solid royalblue;
        text-align: center;
    }

    #Cover2 .delete2{
        position: absolute;
        top: 10px;
        right: 10px;
    }

    #Cover2 .Underline{
        margin-top: 30px;
        width:300px;
        border-bottom:1px solid #878dca;
    }

    #Cover2 li{
        margin-top: 10px;
        font-family: 微软雅黑;

    }

    #Cover3{

        width: 100%;
        height: 100%;
        position: fixed;
        top: 0;
        left: 0;
        background: rgba(0,0,0,0.3);
        z-index:10;
        display: none;
    }
    #Cover3 .elasticrame{
        width: 300px;
        height: 400px;
        position: absolute;
        top: 50%;
        left: 50%;
        margin-left: -150px;
        margin-top: -200px;
        background: white;
        border-radius: 30px;
        border: 2px solid royalblue;
        text-align: center;
    }

    #Cover3 .delete3{
        position: absolute;
        top: 10px;
        right: 10px;
    }

    #Cover3 .Underline{
        margin-top: 30px;
        width:300px;
        border-bottom:1px solid #878dca;
    }

    #Cover3 li{
        margin-top: 10px;
        font-family: 微软雅黑;

    }



